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ifhub.club/classes/blocks/BlockTagsCity.class.php

64 lines
1.7 KiB
PHP

<?php
/*-------------------------------------------------------
*
* LiveStreet Engine Social Networking
* Copyright © 2008 Mzhelskiy Maxim
*
*--------------------------------------------------------
*
* Official site: www.livestreet.ru
* Contact e-mail: rus.engine@gmail.com
*
* GNU General Public License, version 2:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
---------------------------------------------------------
*/
/**
* Обрабатывает блок облака тегов городов юзеров
*
*/
class BlockTagsCity extends Block {
public function Exec() {
$aStat=$this->User_GetStatUsers();
$aCityList=$aStat['count_city'];
/**
* Расчитываем логарифмическое облако тегов
*/
if ($aCityList and count($aCityList)>0) {
$iMinSize=1; // минимальный размер шрифта
$iMaxSize=10; // максимальный размер шрифта
$iSizeRange=$iMaxSize-$iMinSize;
$iMin=10000;
$iMax=0;
foreach ($aCityList as $aCity) {
if ($iMax<$aCity['count']) {
$iMax=$aCity['count'];
}
if ($iMin>$aCity['count']) {
$iMin=$aCity['count'];
}
}
$iMinCount=log($iMin+1);
$iMaxCount=log($iMax+1);
$iCountRange=$iMaxCount-$iMinCount;
if ($iCountRange==0) {
$iCountRange=1;
}
foreach ($aCityList as $key => $aCity) {
$iTagSize=$iMinSize+(log($aCity['count']+1)-$iMinCount)*($iSizeRange/$iCountRange);
$aCityList[$key]['size']=round($iTagSize);
}
/**
* Устанавливаем шаблон вывода
*/
$this->Viewer_Assign("aCityList",$aCityList);
}
}
}
?>